Quest Q20, Q40 and Quest PRO Review

Deteknix Quest Pro
Very Good
Metal Detector
  • Country USA
  • Released 2017
  • Warranty 2 years
  • Additional
  • Headphones included

Best for

  • Coins
  • Relics
  • Beach

Quest Metal Detectors has released its first new metal detectors Quest Q20, Quest Q40 and Quest PRO! While the first two models are perfect for newbie seekers, the Pro version is high quality enough to meet the need of experienced treasure hunters on different terrains.

But wait a minute… It reminds me of something… New Minelab Equinox series? Really? They look like Minelab Equinox!

Rating Explanations
All Purpose
Key Features
Easy to Use
Reviewed by
Michael Moore
  • Multi-Frequency;
  • Powerful battery;
  • IP68 Waterproof Rank;
  • Wired headphones
  • New brand on the market;
  • Technology: VLF Multi Frequency
  • Number of frequencies: 3
  • Frequencies: 5 kHz / 13 kHz / 20 kHz
  • Search Coil: 9,5х5″ & 9х11”
  • Search Coil Type: DD
  • Waterproof: Up to 10 feet (IP68)
  • Updatable Software: No
  • VDI (Target ID): Yes
  • Search Modes: 7
  • Search Mode Types: 5 factory+ 2 custom
  • Ground Balance: Automatic Ground Tracking
  • Pinpoint Mode: Yes
  • Audio Tones: 6
  • Batteries: Lithium Polymer
  • Length (min-max): 31"-51"
  • Weight:3 lb
  • Warranty: 2 years

Quest Pro Key Features

Multi Frequency Technology

Directs a constant sinusoidal search wave, or several waves at the same time, applied to the ground, by creating a specific electromagnetic field.

3 Operating Frequencies

Those basic frequencies are enough to facilitate the search and fit the most widespread location/target combinations.

DD Coil

One of the most handy configurations to metal detecting on mineralized soils and various complicated or trashy locations.

Auto & Manual Ground Tracking

A handy combination of settings for various locations, target types, and various skills of the user.


Up to 3 feet allows finding valuable stuff in shallow waters where others can’t get it.

Quest Metal Detectors

Quest Q20, Quest Q40 And Quest PRO Review

Quest metal detectors have a good price-quality ratio. Decent supply kits with headphones, bag, find pounch, cap and small plastic shovel as a gift (that’s a really awesome supplement for your metal detecting equipment!). Lightweight, interesting design, simple navigation menu, huge displays, flashlight, capacious batteries are the most distinctive qualities of Quest metal detectors.

Quest Q20

Quest Q20 has three composite foldable rod and control box, which are very similar to Minelab Equinox. The length of the metal detector shaft is adjustable, from 80 cm to 130 cm. There is a built-in 1200 mAh Li-Po battery. Its claimed battery life is more than 20 hours.

Quest Q20 the simplest version in the series. Can it be a competitor for Garrett ACE 200 and Garrett ACE 300?

Quest Q40

The main differences from the previous Quest Q20 model are the frequency increased up to 13 kHz, and more powerful built-in 2000 mAh Li-Po battery. Its claimed battery life of more than 30 hours.

Quest 40 Features

Quest Pro

This is the most powerful model in the Quest Metal Detectors line. Quest Pro, compared to Quest 40, has IP67 waterproof rating (10 feet maximum depth), 2 DD coils in the box (this is really cool!), but the main difference of this metal detector compared to the previous one is… Multi-Frequency! This metal detector can work on three frequencies – 5 kHz, 13 kHz and 20 kHz. Does it remind you of anything? ?

Quest Pro Features

Quest Pro Search Modes

Five preset search modes plus two empty slots for customized combinations of settings are good enough for beginner-friendly machines.

All Metal

Using All Metal mode is really good for combing through the location. You can do that before using other modes, to see how fruitful the place is, or where the groups of items are located. All Metal mode is also good to double-check each patch, in order not to miss something.

Coin Mode

Classic coins search mode that reacts well to all kinds of coins. While it works well with small and deeply located coins, due to peculiarities of the tuning, the detector may fail to inform you about other types of targets, even if they are potentially valuable.

Jewelry Mode

This mode works well with modern jewelry pieces - watches, rings, bracelets, necklaces, etc. It is unlikely to react to coins, though, or to ancient jewelry, so if you suspect any other items to be present on the location, double-scan the location with other modes on.

Beach Mode

The machine is weatherproof, meaning you cannot search underwater or even in shallow water. However, wet sands or wet grass will be totally fine, and in this mode, the metal detector will give you the cleanest signal.

Gold Mode

While the highest operating frequency in Quest Q Pro is 20 kHz and is not really the best for gold prospecting, it is still worth trying if you happen to visit a gold field. Use Gold mode to make the operation suitable for the gold nuggets and dust.

Deep Mode

Deep mode is useful on land, but it can be especially convenient and effective underwater, to give a clearer picture of what can be out there. While the depth is impressive, the speed of recovery is slower, so make sure you provide more stable swinging.

2 Customizable Modes

Two slots for custom programming by the user are always good to have, because both newbies and seasoned detectorists can face an unusual location, or search conditions, where preset modes do not provide maximum efficiency.


This Quest series is very user-friendly, as therefore we can expect an easy learning curve, simple tuning, and comprehensive smooth performance. However, if the machine is noob-friendly, it does not mean it rings less finds, or cannot operate under more complicated conditions. In the hands of an experienced user, any model of the series will make the search productive.

Deteknix Quest Pro

Quest Pro


Michael Moore

Hi detectorists! I’m Michael Moore, founder of this website, and a dedicated treasure hunter since 2013. If you want to be posted about the most recent news and updates in metal detecting, releases, and trends, subscribe!

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